The Vacuum Pump Unit,rotary, cataloged under National Stock Number 4310-01-016-4191, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Rotary Vacuum Pumps Inc. Government technical data includes 27 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-016-4191 |
| Primary Part Number | PMU620 |
| Item Name | Vacuum Pump Unit,rotary |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Rotary Vacuum Pumps Inc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | THREE |
| Pumping Element Type | SLIDING VANE |
| Intake Connection Type | FLANGED |
| Brake Horsepower Required | 1.500 |
| Frequency in Hertz | 60.0 |
| Current Type | AC |
| Vacuum Rating | 1.0 MILLITORR |
| Intake Connection Bolt Hole Quantity | 2 |
| Drive Connection Type | MULTISTRAND V-BELT |
| Voltage in Volts | 230.0 AND 460.0 |
| Pump Quantity | 1 |
| Air Displacement Rate | 14.0 CUBIC FEET PER MINUTE IN FREE AIR |
| Features Provided | FUNGUS RESISTANT TREATMENT AND SEPARATOR TANK |
| Control Device Type | MOTOR STARTER |
| Gas for Which Designed | AIR |
| Discharge Connection Thread Size and Series/type Designator | 1-1/2-11 NPT |
| Stage Quantity | 2 |
| Operating Speed at Rated Capacity in RPM | 425.0 |
| Vapor Condensation Preventative Device | GAS BALLAST VALVING |
| Intake Connection Flange Shape Style | ROUND |
| Safety Device Type | OVERLOAD RELAY |
| Discharge Connection Type | THREADED EXTERNAL |
| Intake Connection Quantity | 1 |
| System Design | NONCORROSIVE |
| Material | IRON CAST PUMP BODY |
| Prime Mover Type | ELECTRIC MOTOR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| PMU620 PRIMARY | Rotary Vacuum Pumps Inc (USA) |
NSN 4310-01-016-4191 is a Vacuum Pump Unit,rotary, manufactured by Rotary Vacuum Pumps Inc, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-016-4191 has 1 manufacturer part number on file: PMU620 (Rotary Vacuum Pumps Inc).
Key specifications for PMU620: Discharge Connection Quantity: 1; Overall Height: 28.000 INCHES NOMINAL IN; Phase: THREE; Pumping Element Type: SLIDING VANE. 27 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.